/* auth.css — sign-in screens. Shared LOOK for the student login (index.html) and the
   admin login (admin.html). Each page has its own markup, logic and Supabase session. */
.auth-wrap{min-height:100vh;min-height:100dvh;background:var(--bg);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:32px 20px;box-sizing:border-box}
.auth-card{position:relative;z-index:2;width:100%;max-width:400px;box-sizing:border-box;
  background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));
  border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:36px 36px 28px;
  backdrop-filter:blur(40px) saturate(170%);-webkit-backdrop-filter:blur(40px) saturate(170%);
  box-shadow:0 30px 70px rgba(0,0,0,.5),0 0 0 1px rgba(237,31,81,.06),inset 0 1px 0 rgba(255,255,255,.12)}
.auth-card::before{content:'';position:absolute;top:0;left:24px;right:24px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent)}

/* Brand */
.auth-logo{display:flex;justify-content:center;margin-bottom:22px}
.auth-logo img{height:52px;width:auto;max-width:120px;object-fit:contain;mix-blend-mode:screen;display:block}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.auth-brand-mark{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.auth-brand-mark img{height:28px;width:auto;object-fit:contain;mix-blend-mode:screen;display:block}
.auth-brand-name{font-family:'Montserrat',sans-serif;font-weight:800;font-size:16px;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.auth-pill{display:inline-block;margin-top:4px;border-radius:99px;background:rgba(237,31,81,.12);border:1px solid rgba(237,31,81,.32);padding:2px 9px;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fb7185;font-family:'JetBrains Mono',monospace}

/* Headings */
.auth-title{font-family:'Montserrat',sans-serif;font-weight:800;font-size:26px;line-height:1.15;color:#fff;margin:0 0 6px;letter-spacing:-.01em}
.auth-sub{font-size:14px;color:var(--muted2);margin:0 0 26px;line-height:1.5}
.auth-card.center .auth-title,.auth-card.center .auth-sub{text-align:center}

/* Fields */
.auth-field{margin-bottom:16px}
.auth-label-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:7px}
.auth-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted2)}
.auth-link{background:none;border:none;padding:4px 0;margin:-4px 0;font-size:12.5px;font-weight:600;color:#fb7185;cursor:pointer;text-decoration:none;font-family:inherit}
.auth-link:hover,.auth-link:focus-visible{color:#fff;text-decoration:underline}
.auth-input-wrap{position:relative}
.auth-input{width:100%;box-sizing:border-box;height:50px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);color:#fff;
  font-family:'Inter',sans-serif;font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s,background .15s}
.auth-input::placeholder{color:rgba(255,255,255,.32)}
.auth-input:hover{border-color:rgba(255,255,255,.22)}
.auth-input:focus{border-color:rgba(237,31,81,.6);background:rgba(255,255,255,.08);box-shadow:0 0 0 3px rgba(237,31,81,.14)}
.auth-input.has-eye{padding-right:52px}
/* Browser autofill otherwise paints the fields light blue on a dark card */
.auth-input:-webkit-autofill,.auth-input:-webkit-autofill:hover,.auth-input:-webkit-autofill:focus{
  -webkit-text-fill-color:#fff;caret-color:#fff;-webkit-box-shadow:0 0 0 1000px #1b1726 inset;box-shadow:0 0 0 1000px #1b1726 inset;
  border-color:rgba(255,255,255,.2);transition:background-color 9999s ease-in-out 0s}
.auth-eye{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;color:rgba(255,255,255,.5);padding:0}
.auth-eye:hover,.auth-eye:focus-visible{color:#fff;background:rgba(255,255,255,.06)}
.auth-eye svg{width:19px;height:19px}

/* Primary action */
.auth-btn{width:100%;height:52px;margin-top:8px;border-radius:13px;border:1px solid rgba(255,255,255,.16);
  background:var(--grad);color:#fff;font-family:'Montserrat',sans-serif;font-weight:800;font-size:15px;letter-spacing:.01em;
  cursor:pointer;box-shadow:0 8px 24px rgba(237,31,81,.32),inset 0 1px 0 rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;gap:8px;transition:filter .15s,transform .15s,box-shadow .15s}
.auth-btn:hover{filter:brightness(1.07);box-shadow:0 10px 30px rgba(237,31,81,.42),inset 0 1px 0 rgba(255,255,255,.2)}
.auth-btn:active{transform:translateY(1px)}
.auth-btn:disabled{opacity:.7;cursor:default;filter:none}
.auth-spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}

/* Messages */
.auth-msg{display:flex;gap:10px;align-items:flex-start;border-radius:11px;padding:11px 13px;font-size:13px;line-height:1.5;margin:0 0 18px;border:1px solid}
.auth-msg svg{flex-shrink:0;margin-top:1px}
.auth-msg.error{background:rgba(244,63,94,.09);border-color:rgba(244,63,94,.3);color:#fda4af}
.auth-msg.info{background:rgba(59,130,246,.08);border-color:rgba(59,130,246,.28);color:#bfdbfe}
.auth-msg.success{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.28);color:#bbf7d0}
.auth-msg a{color:#fff;font-weight:700}

/* Footer */
.auth-foot{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.07);text-align:center;font-size:12.5px;color:var(--muted);line-height:1.6}
.auth-foot a{color:#fb7185;text-decoration:none;font-weight:600;display:inline-block;white-space:nowrap}
.auth-foot a:hover{text-decoration:underline}

@media(max-width:480px){
  .auth-wrap{align-items:flex-start;padding:max(28px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom))}
  .auth-card{padding:28px 22px 22px;border-radius:20px;margin-top:4vh}
  .auth-logo{margin-bottom:16px}
  .auth-logo img{height:42px}
  .auth-brand{margin-bottom:20px}
  .auth-title{font-size:23px}
  .auth-sub{font-size:13.5px;margin-bottom:22px}
  /* 16px stops iOS Safari from zooming into the field on focus */
  .auth-input{height:52px;font-size:16px}
  .auth-btn{height:54px}
  .auth-link{font-size:13.5px;padding:8px 0;margin:-8px 0}
  .auth-foot{margin-top:18px;padding-top:16px}
}
@media(max-height:560px) and (orientation:landscape){
  .auth-wrap{align-items:flex-start}
  .auth-logo{display:none}
}

/* ── Maintenance notice + popup (login page) ── */
.auth-msg.maint{background:rgba(249,115,22,.09);border-color:rgba(249,115,22,.35);color:#fed7aa;flex-direction:column;gap:4px}
.auth-msg.maint b{display:flex;align-items:center;gap:8px;color:#fdba74;font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-family:'JetBrains Mono',monospace}
.auth-msg.maint b::before{content:'';width:7px;height:7px;border-radius:50%;background:#fb923c;animation:maintDot 1.6s ease-in-out infinite}
.auth-msg.maint .m2{color:rgba(254,215,170,.75)}
@keyframes maintDot{0%,100%{opacity:1}50%{opacity:.3}}
.maint-modal{position:fixed;inset:0;z-index:10050;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(4,4,12,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;transition:opacity .18s}
.maint-modal.open{opacity:1}
.maint-box{width:100%;max-width:380px;background:#11111e;border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:26px 24px 22px;text-align:center;box-shadow:0 24px 80px rgba(0,0,0,.6);transform:translateY(8px) scale(.98);transition:transform .2s}
.maint-modal.open .maint-box{transform:none}
.maint-ic{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(249,115,22,.12);border:1px solid rgba(249,115,22,.35);color:#fb923c}
.maint-box h2{font-family:'Montserrat',sans-serif;font-weight:800;font-size:18px;color:#fff;margin:0 0 8px}
.maint-box p{font-size:14px;line-height:1.6;color:var(--muted2);margin:0 0 18px}
.maint-box .auth-btn{margin-top:0}



/* ── Student auth shell (bl-*) — same two-panel look as the Broken English work portal ── */
.bl-page{min-height:100vh;min-height:100dvh;box-sizing:border-box;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}
.bl-overlay{position:fixed;inset:0;z-index:99990;overflow-y:auto;background:var(--bg)}
.bl-shell{width:100%;max-width:1180px;min-height:620px;display:grid;grid-template-columns:1fr 1fr;border-radius:24px;overflow:hidden;
  background:rgba(13,17,28,.65);border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 80px rgba(0,0,0,.55);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.bl-form{padding:48px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.bl-form>form{width:100%}
.bl-logo{margin-bottom:28px}
.bl-logo img{height:40px;width:auto;max-width:180px;object-fit:contain;object-position:left;display:block}
.bl-titles{margin-bottom:26px}
.bl-title{font-family:'Inter',sans-serif;font-size:26px;font-weight:800;color:#f1f5f9;letter-spacing:-.01em;margin:0}
.bl-subtitle{font-size:12.5px;color:#808a9d;margin:6px 0 0;line-height:1.55}
.bl-field{margin-bottom:16px}
.bl-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#808a9d;margin-bottom:6px}
.bl-input{width:100%;box-sizing:border-box;background:rgba(6,9,15,.75);border:1px solid rgba(255,255,255,.08);border-radius:10px;color:#fff;font-size:13.5px;padding:12px 14px;font-family:'Inter',sans-serif;outline:none;transition:border-color .15s,box-shadow .15s}
.bl-input::placeholder{color:rgba(255,255,255,.3)}
.bl-input:hover{border-color:rgba(255,255,255,.16)}
.bl-input:focus{border-color:rgba(255,6,82,.45);box-shadow:0 0 0 3px rgba(255,6,82,.1)}
.bl-input:-webkit-autofill,.bl-input:-webkit-autofill:hover,.bl-input:-webkit-autofill:focus{-webkit-text-fill-color:#fff;caret-color:#fff;-webkit-box-shadow:0 0 0 1000px #0b0e16 inset;box-shadow:0 0 0 1000px #0b0e16 inset;transition:background-color 9999s ease-in-out 0s}
.bl-form:has(#login-err[style*="block"]) .bl-input{border-color:rgba(249,24,47,.5)}
.bl-pass{position:relative}
.bl-pass .bl-input{padding-right:44px}
.bl-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:none;border-radius:7px;color:#808a9d;cursor:pointer;padding:0}
.bl-eye:hover{color:#fff;background:rgba(255,255,255,.06)}
.bl-eye:focus-visible,.bl-link:focus-visible,.bl-cancel:focus-visible,.bl-submit:focus-visible{outline:2px solid rgba(255,6,82,.55);outline-offset:2px}
.bl-eye svg{width:17px;height:17px}
.bl-forgot{display:flex;justify-content:flex-end;margin-top:8px}
.bl-link{background:none;border:none;padding:2px 0;font-size:12px;font-weight:600;color:#ff5a7a;cursor:pointer;font-family:inherit}
.bl-link:hover{color:#fff;text-decoration:underline}
.bl-submit{width:100%;margin-top:8px;padding:14px;border:none;border-radius:12px;cursor:pointer;color:#fff;font-family:'Inter',sans-serif;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.05em;
  background:linear-gradient(135deg,#ff6b06 0%,#f9182f 50%,#ff0552 100%);display:flex;align-items:center;justify-content:center;gap:9px;transition:transform .15s,box-shadow .15s,opacity .15s}
.bl-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 30px rgba(255,6,82,.28)}
.bl-submit:active:not(:disabled){transform:none}
.bl-submit:disabled{opacity:.75;cursor:progress}
.bl-spin{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;flex-shrink:0}
.bl-cancel{width:100%;background:none;border:none;color:#808a9d;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:10px;margin-top:6px;cursor:pointer;font-family:inherit}
.bl-cancel:hover{color:#fff}
.bl-help{margin:22px 0 0;font-size:12px;color:#808a9d;text-align:center}
.bl-help a{color:#ff5a7a;font-weight:700;text-decoration:none}
.bl-help a:hover{color:#fff;text-decoration:underline}
.bl-msg{font-size:12.5px;line-height:1.5;padding:10px 14px;border-radius:10px;margin:0 0 16px;border:1px solid}
.bl-msg.error,.bl-form .auth-msg.error{background:rgba(249,24,47,.1);border-color:rgba(249,24,47,.35);color:#ff8a9a}
.bl-msg.ok{background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.3);color:#86efac}
.bl-msg.warn{background:rgba(249,115,22,.1);border-color:rgba(249,115,22,.35);color:#fdba74}
.bl-form .auth-msg{border-radius:10px;font-size:12.5px}
.bl-form .auth-msg.maint{margin-bottom:18px}
.bl-done{text-align:left;margin-bottom:22px}
.bl-done-ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:#4ade80;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3)}
/* left visual panel */
.bl-visual{order:-1;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:40px;border-right:1px solid rgba(255,255,255,.08);
  background:radial-gradient(circle at 30% 20%,rgba(255,107,6,.12) 0%,transparent 55%),radial-gradient(circle at 80% 80%,rgba(255,6,82,.14) 0%,transparent 55%),rgba(9,11,20,.6)}
.bl-glow{position:absolute;width:340px;height:340px;border-radius:50%;background:linear-gradient(135deg,#ff6b06,#ff0552);opacity:.16;filter:blur(70px);top:-60px;left:-60px;pointer-events:none}
.bl-visual-in{position:relative;text-align:center;max-width:340px}
.bl-art{position:relative;width:100%;max-width:280px;aspect-ratio:220/160;margin:0 auto 24px}
.bl-slide-svg{position:absolute;inset:0;width:100%;height:100%;opacity:0;transform:translateX(10px);transition:opacity .3s ease,transform .3s ease}
.bl-slide-svg.active{opacity:1;transform:none}
.bl-head{font-family:'Inter',sans-serif;font-size:21px;font-weight:700;line-height:1.3;color:#f1f5f9;margin:0 0 8px;transition:opacity .3s,transform .3s}
.bl-sub{font-size:13px;line-height:1.6;color:rgba(241,245,249,.72);margin:0;transition:opacity .3s,transform .3s}
.bl-head.fade,.bl-sub.fade{opacity:0;transform:translateX(10px)}
.bl-dots{display:flex;gap:6px;justify-content:center;margin-top:26px}
.bl-dot{width:20px;height:4px;border-radius:999px;border:none;padding:0;cursor:pointer;background:rgba(255,255,255,.14);transition:background .25s,width .25s}
.bl-dot.active{width:28px;background:linear-gradient(90deg,#ff6b06,#ff0552)}
.bl-dot:hover:not(.active){background:rgba(255,255,255,.28)}
@media(max-width:860px){
  .bl-page{padding:16px;align-items:flex-start}
  .bl-shell{grid-template-columns:1fr;min-height:0;border-radius:20px}
  .bl-visual{border-right:none;border-bottom:1px solid rgba(255,255,255,.08);padding:26px 22px}
  .bl-glow{width:220px;height:220px}
  .bl-art,.bl-dots{display:none}
  .bl-head{font-size:17px}
  .bl-sub{font-size:12px}
  .bl-form{padding:30px 22px}
}
@media(prefers-reduced-motion:reduce){.bl-slide-svg,.bl-head,.bl-sub,.bl-submit{transition:none}}